132 MAINE STATE COLLEGE 



nized to be the only practical method of diagnosis") that they are 

 free from disease. 



4. Never buy from infected or suspicious herds. 



5. Never purchase a cow with a cough or abnormal breathing, 

 lumpy or diseased udder, swollen joints, or with a tendency to 

 scour or bloat. 



6. Overcrowding in barns should be avoided. Provide as much 

 air space as possible, allowing at least 1,000 cubic feet for each 

 animal. 



7. Pure air and abundant sunlight are essential to the preserva- 

 tion of health in animals. Windows hinged at the bottom and 

 dropped slightly inward at the top may be utilized for light and 

 ventilation. In this way the air is directed upward, thereby pre- 

 venting a current of cold air on the cattle. 



8. In fair weather cattle should be in the open air as much as 

 possible. 



9. All barns should be kept as clean as possible. They should 

 be sprinkled before being swept, and in consequence of the irritat- 

 ing and infectious character of the dust of stables in which tuber- 

 culous animals have been kept, sweeping should always be done 

 while the cattle are in the yard. 



10. In consequence of the danger to cattle from consumptive 

 expectorating in and around barns, no consumptive person should 

 be allowed to have charge of or come in contact with the dairy 

 cattle. 



11. Do not keep manure in the cellar. Better have no cellar, 

 but where one exists it should be well drained, well lighted and 

 well ventilated. 



12. Manure should be frequently removed from the neighbor- 

 hood of barns. 



13. The barn yard and its surroundings should be well drained 

 and free from standing water and filth. 



14. Early breeding, late and continuous breeding, as well as 

 excessive and injudicious feeding and milking, are all frequent 

 predisposing causes and should be avoided. 



"With reference to the eradication of the disease in herds already 

 affected, it is recommended that a thorough examination of the 

 herd be made, using tuberculin test. 



All animals found diseased should be slaughtered and the 

 remaining animals retested at inteivals. The thorough disinfection 



